-54=-2(2-5k)

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Solution for -54=-2(2-5k) equation: 



-54=-2(2-5k)

We move all terms to the left:

-54-(-2(2-5k))=0

We add all the numbers together, and all the variables

-(-2(-5k+2))-54=0



We calculate terms in parentheses: -(-2(-5k+2)), so:

-2(-5k+2)

We multiply parentheses

10k-4

Back to the equation:

-(10k-4)



We get rid of parentheses

-10k+4-54=0

We add all the numbers together, and all the variables

-10k-50=0

We move all terms containing k to the left, all other terms to the right

-10k=50

k=50/-10

k=-5

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